is_finite() function in PHP

The is_finite() function checks if a value is finite or not. It Returns true if num is a finite number, else it Returns false.

Syntax

is_finite(num)

Parameters

• num − The number to be checked.

Return

The is_finite() function Returns true if num is a finite number, else it Returns false.

Example

 Live Demo

<?php
   echo is_finite(1);
?>

Output

1

Let us see another example −

Example

 Live Demo

<?php
   echo is_finite(log(0));
?>

Output

karthikeya Boyini

e

Updated on: 26-Jun-2020

20 Views

Kickstart Your Career

Get certified by completing the course

Get Started